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Polished fossil stromatolite. Alcheringa narrina. ALC140

Regular price $140.00

ALC140. 

Fossil stromatolite rough rock, cut and polished on one side .

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation.  

Age is approx. 2.7 billion years.

From near Nullagine in Western Australia.

Approx.  120mm x 100mm x 30-50mm thick.

This piece has a smattering of pyrite inclusions through it. Rare.

Weighs 1.035grams.


 


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